How are these numbers calculated? (show)

Points Behind 1st  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishBehindPoints
Qatar Grand Prix2345.317
Spanish Grand Prix
Portuguese Grand Prix
Chinese Grand Prix
French Grand Prix
Italian Grand Prix2866.982
Catalan Grand Prix
British Grand Prix2170.158
Dutch TT2211.854
German Grand Prix
Czech Republic Grand Prix1554.7971
San Marino Grand Prix2067.200
Indianapolis Grand Prix1737.082
Japanese Grand Prix2369.782
Australian Grand Prix1566.3181
Malaysian Grand Prix2068.849
Valencian Grand Prix
2